Ember.js XSS Vulnerability With {{link-to}} Helper in Non-block Form


2017-06-16 19:08
2017-04-01 19:10
2017-01-05 20:15


In general, Ember.js escapes or strips any user-supplied content before
inserting it in strings that will be sent to innerHTML. However, a change made
to the implementation of the {{link-to}} helper means that any user-supplied
data bound to the {{link-to}} helper's title attribute will not be escaped

In applications that use the {{link-to}} helper in non-block form and bind
the title attribute to user-supplied content, a specially-crafted payload
could execute arbitrary JavaScript in the context of the current domain

All users running an affected release and binding user-supplied data to the
{{link-to}} helper's title attribute should either upgrade or use one of the
workarounds immediately.

Am I vulnerable?

The constraints below list the versions that this vulnerability is patched in, and versions that are unaffected. If a patch is ready but unrealeased, then it is pending.

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Affected package information

Package Patched in Unaffected in
ember-source ~> 1.2.2,>= 1.3.2 < 1.2.0